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Northwest Africa 5009
Basic information Name: Northwest Africa 5009
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5009
Observed fall: No
Year found: 2006
Country: (Northwest Africa)
Mass:help 85 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  EL6
Recommended:  EL6    [explanation]

This is 1 of 120 approved meteorites classified as EL6.   [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites
Comments: Approved 31 Mar 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 5009 (NWA 5009)

(Northwest Africa)

Purchased: 2006

Classification: Enstatite chondrite (EL6)

History: The meteorite was found by an anonymous finder in northwest Africa and bought by the main mass holder in Morocco.

Physical characteristics: Three fragments partly covered with fusion crust totaling 85 g were found.

Petrography: The meteorite shows a recrystallized texture of large sized enstatite grains and contains minor albitic feldspar, troilite, schreibersite and daubreelite. Felspar grain size is about 50 μm. No relict chondrules were observed.

Geochemistry: Albitic feldspar: An15Or3.9 Ab81.1, n=6; metal contains about 1.0 wt% Si.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2006
Mass (g):85
Pieces:3
Class:EL6
Shock stage:low
Weathering grade:high
Ferrosilite (mol%):0.6±0.2 (0.3-0.9, n=16)
Wollastonite (mol%):1.4±0.1 (1.4-1.5, n=16)
Classifier:A. Greshake, MNB
Type spec mass (g):18
Type spec location:MNB
Main mass:Harald Stehlik
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Stehlik: Harald Stehlik, 1220 Wien, Austria (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7328 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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